initial import all sources

Author: bigwhite

chapter1/sources/sieve.c

@@ -0,0 +1,33 @@
+#include <stdio.h>
+
+#define LIMIT  50
+#define PRIMES 10
+
+void sieve() {
+	int c, i,j,numbers[LIMIT], primes[PRIMES];
+
+	for (i=0;i<LIMIT;i++){
+		numbers[i]=i+2; /*fill the array with natural numbers*/
+	}
+	
+	for (i=0;i<LIMIT;i++){
+		if (numbers[i]!=-1){
+			for (j=2*numbers[i]-2;j<LIMIT;j+=numbers[i])
+				numbers[j]=-1; /*sieve the non-primes*/
+		}
+	}
+	
+	c = j = 0;
+	for (i=0;i<LIMIT&&j<PRIMES;i++) {
+		if (numbers[i]!=-1) {
+			primes[j++] = numbers[i]; /*transfer the primes to their own array*/
+			c++;
+		}
+	}
+	
+	for (i=0;i<c;i++) printf("%d\n",primes[i]);
+}
+
+int main() {
+	sieve();
+}

chapter1/sources/sieve.go

@@ -0,0 +1,32 @@
+package main
+
+// Send the sequence 2, 3, 4, ... to channel 'ch'.
+func Generate(ch chan<- int) {
+	for i := 2; ; i++ {
+		ch <- i // Send 'i' to channel 'ch'.
+	}
+}
+
+// Copy the values from channel 'in' to channel 'out',
+// removing those divisible by 'prime'.
+func Filter(in <-chan int, out chan<- int, prime int) {
+	for {
+		i := <-in // Receive value from 'in'.
+		if i%prime != 0 {
+			out <- i // Send 'i' to 'out'.
+		}
+	}
+}
+
+// The prime sieve: Daisy-chain Filter processes.
+func main() {
+	ch := make(chan int) // Create a new channel.
+	go Generate(ch)      // Launch Generate goroutine.
+	for i := 0; i < 10; i++ {
+		prime := <-ch
+		print(prime, "\n")
+		ch1 := make(chan int)
+		go Filter(ch, ch1, prime)
+		ch = ch1
+	}
+}

chapter1/sources/sieve.hs

@@ -0,0 +1,5 @@
+sieve [] = []            
+sieve (x:xs) = x : sieve (filter (\a -> not $ a `mod` x == 0) xs)
+
+n = 100
+main = print $ sieve [2..n]

chapter10/sources/go-generate/bindata-demo/main.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+//go:generate go-bindata -o static.go static/img/go-mascot.jpg
+
+func main() {
+	data, err := Asset("static/img/go-mascot.jpg")
+	if err != nil {
+		fmt.Println("Asset invoke error:", err)
+		return
+	}
+
+	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		w.Write(data)
+	})
+
+	http.ListenAndServe(":8080", nil)
+}

chapter10/sources/go-generate/bindata-demo/static.go

@@ -0,0 +1,42 @@
+package main
+
+import "fmt"
+
+type Weekday int
+
+const (
+	Sunday Weekday = iota
+	Monday
+	Tuesday
+	Wednesday
+	Thursday
+	Friday
+	Saturday
+)
+
+func (d Weekday) String() string {
+	switch d {
+	case Sunday:
+		return "Sunday"
+	case Monday:
+		return "Monday"
+	case Tuesday:
+		return "Tuesday"
+	case Wednesday:
+		return "Wednesday"
+	case Thursday:
+		return "Thursday"
+	case Friday:
+		return "Friday"
+	case Saturday:
+		return "Saturday"
+	}
+
+	return "Sunday" //default 0 -> "Sunday"
+}
+
+func main() {
+	var d Weekday
+	fmt.Println(d)
+	fmt.Println(Weekday(1))
+}

chapter10/sources/go-generate/bindata-demo/static/img/go-mascot.jpg

@@ -0,0 +1,3 @@
+module github.com/bigwhite/generate-args-demo
+
+go 1.14

chapter10/sources/go-generate/enum-demo/main.go

@@ -0,0 +1,6 @@
+//go:generate pwd
+package main
+
+func main() {
+	println("hello, go generate")
+}

chapter10/sources/go-generate/generate-args/go.mod

@@ -0,0 +1,5 @@
+//go:generate pwd
+package subpkg1
+
+func F() {
+}

chapter10/sources/go-generate/generate-args/main.go

@@ -0,0 +1,5 @@
+//go:generate pwd
+package subpkg2
+
+func F() {
+}

chapter10/sources/go-generate/generate-args/subpkg1/subpkg1.go

@@ -0,0 +1,11 @@
+//go:generate echo "top"
+package main
+
+import "fmt"
+
+//go:generate echo "middle"
+func main() {
+	fmt.Println("hello, go generate")
+}
+
+//go:generate echo "tail"

chapter10/sources/go-generate/generate-args/subpkg2/subpkg2.go

@@ -0,0 +1,9 @@
+syntax = "proto3";
+  
+package msg;
+
+message request {
+        string msgID = 1;
+        string field1 = 2;
+        repeated string field2 = 3;
+}

chapter10/sources/go-generate/multi_go_generate_directive.go

@@ -0,0 +1,7 @@
+all: build
+
+build: gen-protobuf
+	go build
+
+gen-protobuf:
+	protoc -I ./IDL msg.proto --gofast_out=./msg

chapter10/sources/go-generate/protobuf-make/IDL/msg.proto

@@ -0,0 +1,5 @@
+module github.com/bigwhite/protobuf-demo
+
+go 1.14
+
+require github.com/golang/protobuf v1.4.3

chapter10/sources/go-generate/protobuf-make/Makefile

@@ -0,0 +1,18 @@
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=

chapter10/sources/go-generate/protobuf-make/go.mod

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"fmt"
+
+	msg "github.com/bigwhite/protobuf-demo/msg"
+)
+
+//go:generate protoc -I ./IDL msg.proto --gofast_out=./msg
+func main() {
+	var m = msg.Request{
+		MsgID:  "xxxx",
+		Field1: "field1",
+		Field2: []string{"field2-1", "field2-2"},
+	}
+	fmt.Println(m)
+}